...
set routing large-community-list {expanded <large-community-list-name>|<1<100-99>500>} {deny|permit} <regex> [<regex>] [<regex>] [<regex>] [<regex>] [<regex>] [<regex>]
delete routing large-community-list {expanded <large-community-list-name>|<1<100-99>500>} {deny|permit} <regex> [<regex>] [<regex>] [<regex>] [<regex>] [<regex>] [<regex>]
...